Thermopower composition dependence in ferrospinels

C. C. Wu; S. Kumarakrishnan; Thomas O Mason

doi:10.1016/0022-4596(81)90079-7

Thermopower composition dependence in ferrospinels

C. C. Wu, S. Kumarakrishnan, Thomas O Mason

Northwestern University

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42 Citations (Scopus)

Abstract

The composition dependence of thermoelectric power (Seebeck coefficient) in ferrospinels with fixed valence foreign cations has been calculated via combined small polaron and cation distribution models. Satisfactory agreement with experimental data is achieved assuming cation distribution thermodynamic constants to be independent of foreign cation concentration. Data are analyzed for a trivalent foreign cation (Al³⁺) at elevated temperature and for divalent foreign cations (Ni²⁺, Mg²⁺, Zn²⁺) at lower temperatures.

Original language	English
Pages (from-to)	144-150
Number of pages	7
Journal	Journal of Solid State Chemistry
Volume	37
Issue number	2
DOIs	https://doi.org/10.1016/0022-4596(81)90079-7
Publication status	Published - 1981

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ASJC Scopus subject areas

Inorganic Chemistry
Physical and Theoretical Chemistry
Materials Chemistry

Cite this

Wu, C. C., Kumarakrishnan, S., & Mason, T. O. (1981). Thermopower composition dependence in ferrospinels. Journal of Solid State Chemistry, 37(2), 144-150. https://doi.org/10.1016/0022-4596(81)90079-7

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AB - The composition dependence of thermoelectric power (Seebeck coefficient) in ferrospinels with fixed valence foreign cations has been calculated via combined small polaron and cation distribution models. Satisfactory agreement with experimental data is achieved assuming cation distribution thermodynamic constants to be independent of foreign cation concentration. Data are analyzed for a trivalent foreign cation (Al3+) at elevated temperature and for divalent foreign cations (Ni2+, Mg2+, Zn2+) at lower temperatures.

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10.1016/0022-4596(81)90079-7